| gpioiic.c (270236) | gpioiic.c (278783) |
|---|---|
| 1/*- 2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * Copyright (c) 2010 Luiz Otavio O Souza 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2009 Oleksandr Tymoshenko <gonzo@freebsd.org> 3 * Copyright (c) 2010 Luiz Otavio O Souza 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: --- 12 unchanged lines hidden (view full) --- 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28#include <sys/cdefs.h> |
| 29__FBSDID("$FreeBSD: stable/10/sys/dev/gpio/gpioiic.c 270236 2014-08-20 17:39:53Z loos $"); | 29__FBSDID("$FreeBSD: stable/10/sys/dev/gpio/gpioiic.c 278783 2015-02-14 20:50:38Z loos $"); |
| 30 31#include "opt_platform.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/bus.h> 36#include <sys/conf.h> 37#include <sys/kernel.h> --- 111 unchanged lines hidden (view full) --- 149 GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->scl_pin, 150 GPIO_PIN_INPUT); 151} 152 153static int 154gpioiic_callback(device_t dev, int index, caddr_t data) 155{ 156 struct gpioiic_softc *sc = device_get_softc(dev); | 30 31#include "opt_platform.h" 32 33#include <sys/param.h> 34#include <sys/systm.h> 35#include <sys/bus.h> 36#include <sys/conf.h> 37#include <sys/kernel.h> --- 111 unchanged lines hidden (view full) --- 149 GPIOBUS_PIN_SETFLAGS(sc->sc_busdev, sc->sc_dev, sc->scl_pin, 150 GPIO_PIN_INPUT); 151} 152 153static int 154gpioiic_callback(device_t dev, int index, caddr_t data) 155{ 156 struct gpioiic_softc *sc = device_get_softc(dev); |
| 157 int error = 0; | 157 int error, how; |
| 158 | 158 |
| 159 how = GPIOBUS_DONTWAIT; 160 if (data != NULL && (int)*data == IIC_WAIT) 161 how = GPIOBUS_WAIT; 162 error = 0; |
|
| 159 switch (index) { 160 case IIC_REQUEST_BUS: | 163 switch (index) { 164 case IIC_REQUEST_BUS: |
| 161 GPIOBUS_LOCK_BUS(sc->sc_busdev); 162 GPIOBUS_ACQUIRE_BUS(sc->sc_busdev, sc->sc_dev); 163 GPIOBUS_UNLOCK_BUS(sc->sc_busdev); | 165 error = GPIOBUS_ACQUIRE_BUS(sc->sc_busdev, sc->sc_dev, how); |
| 164 break; 165 case IIC_RELEASE_BUS: | 166 break; 167 case IIC_RELEASE_BUS: |
| 166 GPIOBUS_LOCK_BUS(sc->sc_busdev); | |
| 167 GPIOBUS_RELEASE_BUS(sc->sc_busdev, sc->sc_dev); | 168 GPIOBUS_RELEASE_BUS(sc->sc_busdev, sc->sc_dev); |
| 168 GPIOBUS_UNLOCK_BUS(sc->sc_busdev); | |
| 169 break; 170 default: 171 error = EINVAL; 172 } 173 174 return (error); 175} 176 --- 111 unchanged lines hidden --- | 169 break; 170 default: 171 error = EINVAL; 172 } 173 174 return (error); 175} 176 --- 111 unchanged lines hidden --- |